Volume is the amount of space an object takes up. And there are lots of different ways to measure it. You could use cubic inches, gallons, liters, or cm³.

In the Metric System, they have thankfully standardized these measurements. The cubic centimeter (cm³), which is usually used to measure solids, is exactly equal to the milliliter (ml), which is usually used to measure liquids. Thus, finding out how many liters of water could fit in a square tub is rather simple. You use centimeters to measure the length, width, and height of the tub. You multiply to find the volume in cm³, which is the same as milliliters. And you use your metric ladder to convert milliliters to liters.

In class today, students did exactly that. They found the volume of seven different objects in cm³, milliliters, and liters.

September 9 – Volume (pg105)